KIA specifications

KIA K9 specifications and photos

The 2021 KIA K9 is a full-size luxury sedan that blends classic design elements with modern technology. Offering a spacious cabin and two powerful V6 engine choices, this flagship sedan is built to deliver a refined and comfortable driving experience.

Years 2021
Body type sedan
Trims 4
Photos 11
Green 2021 Kia K9 sedan parked outdoors on a paved courtyard in front of a modern building.
Overview

KIA K9 at a glance

Quick model context before comparing photos and trim-level specifications.

Introduced in 2021, this updated version of the KIA K9 serves as the brand's flagship premium sedan, positioned in the executive class. It targets buyers seeking high-end comfort, generous cabin space, and a traditional rear-wheel or all-wheel-drive layout at a more accessible price point than traditional European luxury competitors. The model updates focus on elevating its road presence with redesigned styling cues and integrating more advanced, modern digital features to enhance usability. Under the hood, KIA continues to utilize its proven V6 powertrain options, ensuring reliable, smooth performance that matches its large stature. Intended for both daily business commutes and long-distance highway travel, the K9 positions itself as a compelling alternative in the luxury segment by offering a robust list of standard equipment, premium cabin refinement, and substantial overall value.

  • Power: 315-370 hp
  • Engine displacement: 3342-3778 cc
  • Transmissions: 8-speed automatic
Research hub

Photos, trims and specifications for KIA K9

This model page brings gallery images, trim comparison, and detailed technical data together for the 2021 generation.

Running costs

Estimate fuel cost

Use trim-level fuel consumption data to estimate monthly and yearly fuel spending.

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Fuel costs are estimates. Real consumption can change with driving style, traffic, tires, weather, load, and market-specific equipment.

Model guide

KIA K9 overview

Editorial context for design, cabin, performance, practicality, and buyer notes.

Design

The exterior design of the K9 emphasizes a stately and imposing road presence. Its front end is defined by a wide, hot-stamped radiator grille paired with slim, expressive headlights. Along the rear, a continuous light bar spans the width of the vehicle, accentuating its clean body lines and adding a modern signature. The large sedan measures 5,140 mm in length, 1,915 mm in width, and 1,505 mm in height. It rides on a 3,105 mm wheelbase, which gives it classic executive proportions while maintaining a standard ground clearance of 150 mm.

Interior

Inside, the K9 focuses on a luxurious cabin experience utilizing high-quality materials and ergonomic seating designed to offer enhanced tactile comfort. Rear passengers can benefit from power-adjustable seats, ensuring passenger comfort during longer journeys. The driver is greeted by a fully digital instrument cluster and a modern layout. The centerpiece of the dashboard is a large 14.5-inch multimedia touchscreen that controls key vehicle settings and entertainment. Depending on the configuration, the interior accommodates four or five occupants, providing a quiet and comfortable environment suitable for executive transport.

Performance

Power options for the luxury sedan consist of two V6 gasoline engines. The entry-level 3.8-liter GDi engine produces 315 horsepower and 397 Nm of torque, while the more powerful 3.3-liter twin-turbo T-GDi unit delivers 370 horsepower and 510 Nm of torque. Both engines are paired with a Hyundai-sourced 8-speed automatic transmission. Drivers can choose between rear-wheel drive and all-wheel drive layouts. Mixed fuel consumption ranges from 11.4 to 12.5 liters per 100 km depending on the selected engine and drivetrain configuration, with the 3.8-liter rear-wheel-drive model being the most efficient option.

Practicality

As a large executive sedan, the K9 provides practical everyday utility for families and business travelers alike. It features a trunk capacity of 470 liters, which is sufficient to handle luggage, golf bags, and daily cargo. The vehicle's long 3,105 mm wheelbase ensures ample legroom and passenger space for both front and rear rows. Additionally, a generous 77-liter fuel tank capacity supports longer highway cruising ranges, minimizing the need for frequent refueling stops during road trips.

Safety and tech

The sedan is equipped with a comprehensive suite of modern safety and driver-assist technologies. Standard equipment includes a collision prevention system designed to mitigate front, rear, side, and secondary impacts, alongside intelligent cruise control. For parking convenience, the K9 features an intelligent automated parking assistant. It also incorporates a fingerprint authentication system for driver profiles, while passenger safety is backed by a robust setup of eight standard airbags.

Buyer notes

When comparing the different configurations of this sedan, buyers should evaluate the performance trade-offs between the naturally aspirated 3.8-liter V6 and the turbocharged 3.3-liter V6 engine, as the turbo option offers significantly more low-end torque. Additionally, opting for all-wheel drive is beneficial for those living in cold-weather regions, though it does increase fuel consumption. Buyers should note that standard equipment, trim names, and exact feature availability can vary depending on the destination market.

Configurations

Trims and key specifications

Use this table to compare the main differences between available configurations.

Power 315-370 hp
Engine displacement 3342-3778 cc
Transmissions 8-speed automatic
Trim / modification Engine Power Seats Transmission
3.3 T-GDi (370 hp) 8-speed automatic 3342 cc 370 hp 4/5 8-speed automatic
3.3 T-GDi (370 hp) 8-speed automatic 4x4 3342 cc 370 hp 4/5 8-speed automatic
3.8 GDi (315 hp) 8-speed automatic 3778 cc 315 hp 4/5 8-speed automatic
3.8 GDi (315 hp) 8-speed automatic 4x4 3778 cc 315 hp 4/5 8-speed automatic

Specifications can vary by market, model year, and equipment package. Use the trim sections below to review the full data for each configuration.

Detailed specs

Specifications by trim

Choose a configuration below to open full technical data grouped by category.

3.3 T-GDi (370 hp) 8-speed automatic 29 specifications

Specifications

Performance and consumption

Fuel consumption combined, L/100 km 11.5

Engine

Engine 3.3 T-GDi
Engine code G6DP
Engine type Internal combustion engine
Fuel type Gasoline
Engine displacement, cc 3342
Cylinder layout V-type
Number of cylinders 6
Valves 24
Power, hp 370
RPM at max power 6000
Torque, Nm 510
RPM at max torque 1300-4500

Dimensions

Seats 4/5
Length, mm 5140
Width, mm 1915
Height, mm 1505
Wheelbase, mm 3105
Front track, mm 1627
Rear track, mm 1660
Fuel tank capacity, L 77
Ground clearance, mm 150
Trunk capacity, L 470

Transmission and drive

Transmission 8-speed automatic
Transmission type automatic
Drive Rear-wheel drive
Number of gears 8
Transmission manufacturer Hyundai
Automatic transmission +
3.3 T-GDi (370 hp) 8-speed automatic 4x4 29 specifications

Specifications

Performance and consumption

Fuel consumption combined, L/100 km 12.5

Engine

Engine 3.3 T-GDi
Engine code G6DP
Engine type Internal combustion engine
Fuel type Gasoline
Engine displacement, cc 3342
Cylinder layout V-type
Number of cylinders 6
Valves 24
Power, hp 370
RPM at max power 6000
Torque, Nm 510
RPM at max torque 1300-4500

Dimensions

Seats 4/5
Length, mm 5140
Width, mm 1915
Height, mm 1505
Wheelbase, mm 3105
Front track, mm 1627
Rear track, mm 1660
Fuel tank capacity, L 77
Ground clearance, mm 150
Trunk capacity, L 470

Transmission and drive

Transmission 8-speed automatic
Transmission type automatic
Drive All-wheel drive
Number of gears 8
Transmission manufacturer Hyundai
Automatic transmission +
3.8 GDi (315 hp) 8-speed automatic 30 specifications

Specifications

Performance and consumption

Fuel consumption combined, L/100 km 11.4

Engine

Engine 3.8 GDi
Engine code G6DJ
Engine type Internal combustion engine
Fuel type Gasoline
Engine displacement, cc 3778
Cylinder layout V-type
Number of cylinders 6
Valves 24
Compression ratio 11.5:1
Power, hp 315
RPM at max power 6000
Torque, Nm 397
RPM at max torque 5000

Dimensions

Seats 4/5
Length, mm 5140
Width, mm 1915
Height, mm 1505
Wheelbase, mm 3105
Front track, mm 1627
Rear track, mm 1660
Fuel tank capacity, L 77
Ground clearance, mm 150
Trunk capacity, L 470

Transmission and drive

Transmission 8-speed automatic
Transmission type automatic
Drive Rear-wheel drive
Number of gears 8
Transmission manufacturer Hyundai
Automatic transmission +
3.8 GDi (315 hp) 8-speed automatic 4x4 30 specifications

Specifications

Performance and consumption

Fuel consumption combined, L/100 km 12

Engine

Engine 3.8 GDi
Engine code G6DJ
Engine type Internal combustion engine
Fuel type Gasoline
Engine displacement, cc 3778
Cylinder layout V-type
Number of cylinders 6
Valves 24
Compression ratio 11.5:1
Power, hp 315
RPM at max power 6000
Torque, Nm 397
RPM at max torque 5000

Dimensions

Seats 4/5
Length, mm 5140
Width, mm 1915
Height, mm 1505
Wheelbase, mm 3105
Front track, mm 1627
Rear track, mm 1660
Fuel tank capacity, L 77
Ground clearance, mm 150
Trunk capacity, L 470

Transmission and drive

Transmission 8-speed automatic
Transmission type automatic
Drive All-wheel drive
Number of gears 8
Transmission manufacturer Hyundai
Automatic transmission +
FAQ

KIA K9 questions

Short answers based on the specifications and photos available in this catalog.

What engine options are available for the 2021 KIA K9?

The KIA K9 offers two V6 engine choices: a naturally aspirated 3.8-liter GDi engine producing 315 horsepower and a twin-turbo 3.3-liter T-GDi engine generating 370 horsepower. Both are paired with an 8-speed automatic transmission.

Does the 2021 KIA K9 come with all-wheel drive?

Yes, the KIA K9 can be configured with either a rear-wheel-drive or an all-wheel-drive layout. This option is available across both engine choices to suit different driving needs and climates.

How practical is the 2021 KIA K9 for daily use?

The K9 offers a spacious cabin with seating for up to five passengers and a 3,105 mm wheelbase that provides substantial legroom. It also features a 470-liter trunk and a 77-liter fuel tank, making it highly suitable for long road trips and daily errands.

What safety technology is included in the KIA K9?

The sedan comes standard with a multi-directional collision prevention system that monitors front, side, and rear hazards. It also features an intelligent automatic parking assistant and eight airbags.